Comments

Author Comment Last activity Moderation
cfastie "Kina, thanks for the videos. Very helpful. I might try CoolTerm again, since I was using a sketch that did not format the serial output in an appro..." | Read more » over 6 years ago
cfastie "I tried CoolTerm and never got it to work. I tried for only a half hour, so my failure is not so surprising. If you have a working data logger (e.g..." | Read more » over 6 years ago
cfastie "Liz, I don't know the specs of the 1/4" phone plug, but it needs only two contacts, the tip and one ring along the shaft. I'm not sure which types ..." | Read more » over 6 years ago
cfastie "New answer below where I could attach a file. " | Read more » over 6 years ago
cfastie "A 1/4" stereo/phone plug connects to the HCHO sensor and two wires from that cable connect to the Arduino (tip of plug to A3, ring to GND). Below (..." | Read more » over 6 years ago
cfastie "The first step might be to arrange for the co-location of the HCHO sensor, an Arduino, and somebody casually familiar with Arduino. Has the proper ..." | Read more » over 6 years ago
cfastie "Kina, Thanks for the great information. Liz, It might help to know more about this project. What is the time frame for deployment? What has been tr..." | Read more » over 6 years ago
cfastie "There is a very simple way to read the HCHO sensor with a resolution of about 10 ppb, assuming the range of the sensor is 0 to 1000ppb. (Out of the..." | Read more » over 6 years ago
cfastie "I think it is par for the course that a random proprietary sensor will not work gracefully with an Arduino. In this case, it might be that a standa..." | Read more » over 6 years ago
cfastie "Any Arduino-based data logger should be able to read the signal from that sensor and save the reading at regular intervals. The main obstacle is th..." | Read more » over 6 years ago
cfastie "That sounds like a wonderful "opportunity." It is also a revealing test case for the suitability of DIY environmental loggers to serve their maste..." | Read more » about 7 years ago